Fifty people died after a Boeing passenger plane crashed on landing in the city of Kazan in central Russia on Sunday, according to the Emergencies Ministry. A doctor working at the scene said that only ashes and rubble were left from the plane.

Initially, 44 fatalities were reported in the crash. The Federal
Air Transport Agency later said that 50 people - including six
crew members - were on board, all of whom were killed.

The Emergencies Ministry published a list of the victims, which
included two children. Among the victims was British national
Donna Bull, 53. She was an education consultant and the A-Level
program director at Bellerbys College in Cambridge, UK.

It was also confirmed that Irek Minnikhanov, son of Tatarstan
President Rustam Minnikhanov, was among the passengers killed in
the accident. The death toll includes the republic’s head of
Federal Security Service, Aleksandr Antonov.

Russian President Vladimir Putin spoke to Minnikhanov on the
phone, expressing his condolences to relatives and friends of the
deceased, and to the Tatarstan leader personally.

Authorities and the airline’s insurance company will pay
compensation of around US$93,700 to each of the victims'
families. A day of mourning has been set for November 18.

Rescuers have already
recovered the bodies of all 50 people from the crash site,
according to Tatarstan's Disaster Medicine Center. Now they are
looking for flight data recorders.

According to reports on social media, taxi drivers in Kazan are
taking the victims' relatives to and from the airport free of
charge.

A total of 53 flights have been cancelled in Kazan's airport and
redirected to other cities like Nizhniy Novgorod, Izhevsk,
Nizhnekamsk and Cheboksary.

The passenger jet caught on fire after the crash landing. The
flames were extinguished less than one hour into the disaster.

“Only ashes and pieces of foam were left from the plane [after
the explosion],” a doctor from the emergency rescue team told
ITAR-TASS.

Kazan is the eighth most populous city in Russia. Located 800km
east of Moscow, it is the capital of the largely Muslim Republic
of Tatarstan.

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‘Very bad landing’ on previous flight

The same aircraft had made an earlier journey from Kazan to
Moscow, and RT spoke to one of the passengers from that flight.
Lenara Kashafutdinova described her experience, stating that the
problem was not during the actual flight, but with its landing,
which was very rocky and unstable.

“The flight itself went quiet smoothly, but before the landing
the plane started fiercely vibrating. Initially, I thought it was
the weather, but when we got out of the plane, the weather was
quite nice. The plane was shaking from side to side. We landed on
our first attempt, but it was a very bad landing and I felt like
the plane was going to run off the runway,” Kashafutdinova
stated.

A witness traveling from Kazan to Moscow, who happened to be on
the airfield at the moment of the crash, told RT that he heard a
loud bang and felt some trembling. The shuttle bus he was on was
then diverted back to the terminal. The young man did not report
any panic and said that he and other passengers were allowed to
pick up their luggage within about 15 minutes after the crash.

The Investigation Committee has launched a probe into the crash.
The head of the committee, Vladimir Markin, said the crash might
have been caused by pilot error, technical malfunction, or
weather conditions. In the meantime, the US National
Transportation Safety Board has expressed its commitment to the
investigation by offering to send a team of its experts, headed
by Dennis Jones, a senior investigator.

Experts from Russia's federal aviation authority, Rosaviation,
will be joining the probe.

According to local reports, there were high winds and cloudy
skies over the airport in central Russia. Temperatures were above
zero.

An emergency services source told Interfax that the pilots
apparently made some mistake when entering the second lap.
“The plane attempted to land several times. One of the [fuel]
tanks detonated while the plane was landing,” said
Emergencies Ministry spokeswoman Irina Rossius. Despite
this, according to the airline spokesman's words to Interfax,
"the pilots, both born in 1966, had lots of experience."

Another version involves problems with the landing gear.
Apparently, one of the pilots radioed the control tower to report
that there was "an issue with the landing configuration."

"He told me he would attempt to perform another circle and I
dictated the numbers to him - all according to procedure - and
that was that. He [the pilot] confirmed the instructions, but
didn't sway from his path. [The crash] happened mere seconds
later," Kirill Kornishin told Russia 24 TV, as cited by
RIA Novosti.

Among other reasons considered by investigators is low-quality
fuel, the Investigative Committee said. “We ordered to take
samples of the fuel that was used to fill up the aircraft in
Moscow,” a senior official told ITAR-TASS.

The crew reported 500 meters before hitting the runway that the
machinery was not ready for landing, an unnamed source told
Interfax. According to another report, the plane is believed to
have touched the ground with its wing when landing, said a
representative of the Investigation Committee, as cited by RIA
Novosti.

An expert on air accidents, first-class pilot Vladimir Gerasimov
told RT that he suspects “an apparent crew error,” as the
plane failed to make a precise landing approach on its first try.
However, this can be verified only after the flight data recorder
of the crashed plane is analyzed, he added.

The weather conditions were favorable for landing, argued sources
from the Federal Service for Hydrometeorology and Environmental
Monitoring of Russia.

“The visibility was five thousand meters, the runway was dry.
You cannot even imagine better conditions,” said an employee
from the federal service, adding that it is unlikely that bad
weather caused the crash.

Probes are expected to start on Monday morning.

'Boeing 737-500 caused trouble before'

The Boeing 737-500 is a make of a popular short- to medium-range
twin-engine jet airliner, which was introduced in 1987. The
series is also known as “Classic,” along with the 300 and the 400
models. The 737-500 can seat between 108 and 132 passengers, and
has two cockpit crew members.

The jet that crashed in Kazan - tail number VQ-BBN - was made in
1990. Tatarstan Airlines bought the plane in December 2008.

This is not the first time that the aircraft has experienced
problems. Just last year, the same plane was heading to Moscow
when it made an emergency landing at the same terminal, a law
enforcement source told Interfax. Twenty minutes after takeoff,
alarm sensors were reportedly triggered due to depressurization
of the cabin. None of the 78 people on board were injured.

The crashed Boeing has been in service for 23 years, the
airline's spokesperson told ITAR-TASS. She assured that the plane
has been undergoing routine maintenance operations, adding that
it had just recently been subject to maintenance.

This is not the first accident involving a Boeing-737 in Russia.
On May 18, a 400 jet model belonging to UTair caught fire just after landing at Moscow’s Vnukovo
airport. Luckily, only one landing gear leg was set ablaze, and
none of the 136 people on board were injured.

On December 30, 2012, a TU-204 jet belonging to Red Wings
Airlines hard-landed at Moscow's Vnukovo Airport, breaking
into several parts and crashing into a nearby highway. Five
people were killed and four others seriously injured, including
the driver of a car that was hit by the plane’s wheel. Only the
crew was on board the plane.